Fix building with non-mega CMake

CMakeLists.txt

@@ -174,6 +174,8 @@ Please see http://bitbucket.org/rude/megasource
 	find_package(SDL2 REQUIRED)
 	find_package(Theora REQUIRED)
 	find_package(Vorbis REQUIRED)
+	find_package(ZLIB REQUIRED)
+	find_package(Ogg REQUIRED)
 
 	# required for enet
 	add_definitions(-D HAS_SOCKLEN_T)
@@ -182,6 +184,11 @@ Please see http://bitbucket.org/rude/megasource
 		${SDL2_INCLUDE_DIR}
 		${FREETYPE_INCLUDE_DIRS}
 		${VORBIS_INCLUDE_DIR}
+		${OPENAL_INCLUDE_DIR}
+		${ZLIB_INCLUDE_DIRS}
+		${MODPLUG_INCLUDE_DIR}
+		${OGG_INCLUDE_DIR}
+		${THEORA_INCLUDE_DIR}
 	)
 
 	set(LOVE_LINK_LIBRARIES
@@ -194,14 +201,20 @@ Please see http://bitbucket.org/rude/megasource
 		${THEORADEC_LIBRARY}
 		${VORBISFILE_LIBRARY}
 		${LOVE_LUA_LIBRARY}
+		${OGG_LIBRARY}
+		${ZLIB_LIBRARY}
 	)
-	
+
 	if(LOVE_MPG123)
 		find_package(MPG123 REQUIRED)
 		set(LOVE_LINK_LIBRARIES
 			${LOVE_LINK_LIBRARIES}
 			${MPG123_LIBRARY}
 		)
+		set(LOVE_INCLUDE_DIRS
+			${LOVE_INCLUDE_DIRS}
+			${MPG123_INCLUDE_DIR}
+		)
 	endif()
 
 	if(LOVE_JIT)

extra/cmake/FindOgg.cmake

@@ -0,0 +1,25 @@
+# Sets the following variables:
+#
+# OGG_FOUND
+# OGG_INCLUDE_DIR
+# OGG_LIBRARY
+
+set(OGG_SEARCH_PATHS
+	/usr/local
+	/usr
+	)
+
+find_path(OGG_INCLUDE_DIR
+	NAMES ogg/ogg.h
+	PATH_SUFFIXES include
+	PATHS ${OGG_SEARCH_PATHS})
+
+find_library(OGG_LIBRARY
+	NAMES ogg
+	PATH_SUFFIXES lib
+	PATHS ${OGG_SEARCH_PATHS})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Ogg DEFAULT_MSG OGG_LIBRARY OGG_INCLUDE_DIR)
+
+mark_as_advanced(OGG_INCLUDE_DIR OGG_LIBRARY)

extra/cmake/FindOpenAL.cmake

@@ -0,0 +1,28 @@
+# FindOpenAL.cmake that comes with CMake expects "#include <al.h>" to be used
+# However, we use "#include <AL/al.h>"
+
+# Sets the following variables:
+#
+# OPENAL_FOUND
+# OPENAL_INCLUDE_DIR
+# OPENAL_LIBRARY
+
+set(OPENAL_SEARCH_PATHS
+	/usr/local
+	/usr
+	)
+
+find_path(OPENAL_INCLUDE_DIR
+	NAMES AL/al.h
+	PATH_SUFFIXES include
+	PATHS ${OPENAL_SEARCH_PATHS})
+
+find_library(OPENAL_LIBRARY
+	NAMES openal
+	PATH_SUFFIXES lib
+	PATHS ${OPENAL_SEARCH_PATHS})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(OpenAL DEFAULT_MSG OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
+
+mark_as_advanced(OPENAL_INCLUDE_DIR OPENAL_LIBRARY)